Convert square mile to square kilometer
square mile
Definition: The square mile (symbol: sq mi or mi2) is a unit of area in the imperial and United States customary (UCS) systems of units. It is defined as the area of a square with side lengths of one statute mile (5,280 feet). A square mile is a large area that is equal to 27,878,400 square feet, 3,097,600 square yards, and 640 acres.
History/origin: Area is commonly represented in the form of a square with sides of a specific unit of length, written as "square" followed by the chosen unit of length. The square mile is one of many such units and is derived from the area of a square with sides of one mile.
Current use: Square miles are used when the measurement involves large scales such as country sizes. It can be used when referencing population studies, such as a measurement of total population per square mile. As an imperial and USC unit, it is most commonly used in countries that use these systems of measurement. In countries that have adopted the International System of Units, the square meter (and its subsequent multiples and submultiples) is the preferred system of measurement.
square kilometer
Definition: Square kilometer is a measure of area, the extent of a two-dimensional surface. For conversion purposes, its value is 1000000 times the reference unit, square meter.
square mile to square kilometer Conversion Table
| square mile [mi^2] | square kilometer [km^2] |
|---|---|
| 0.01 square mile | 0.0259 square kilometer |
| 0.10 square mile | 0.2590 square kilometer |
| 1 square mile | 2.59 square kilometer |
| 2 square mile | 5.18 square kilometer |
| 3 square mile | 7.77 square kilometer |
| 5 square mile | 12.95 square kilometer |
| 10 square mile | 25.90 square kilometer |
| 20 square mile | 51.80 square kilometer |
| 50 square mile | 129.50 square kilometer |
| 100 square mile | 259.00 square kilometer |
| 1000 square mile | 2590 square kilometer |
How to Convert square mile to square kilometer
1 square mile = 2.59 square kilometer
1 square kilometer = 0.386102 square mile
Example
Convert 15 square mile to square kilometer:
15 square mile = 15 × 2.59 square kilometer = 38.85 square kilometer
